Finding the Fourth Proportional to 295,163.42, 442,587.78 and 115,310.00
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Solution
The fourth proportional to 295,163.42, 442,587.78 and 115,310.00 is: 172,903.54
Step by Step Solution
- Step 1: Write the proportion equation
295,163.42 : 442,587.78 = 115,310.00 : x - Step 2: Convert to fraction form
295,163.42/442,587.78 = 115,310.00/x - Step 3: Cross multiply
295,163.42x = 442,587.78 × 115,310.00 - Step 4: Simplify right side
295,163.42x = 51,034,798,018.27 - Step 5: Solve for x
x = 51,034,798,018.27/295,163.42 - Step 6: Final answer
x = 172,903.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.